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40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
#pragma once
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#include "routing/route_weight.hpp"
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#include "routing/router.hpp"
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#include "routing_common/num_mwm_id.hpp"
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#include <memory>
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#include <string>
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#include <unordered_map>
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namespace routing
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{
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/// Class for calculating penalty while crossing country borders. Also finds parent country for mwm.
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class MwmHierarchyHandler
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{
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public:
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// Used in tests only.
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MwmHierarchyHandler() = default;
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// Used in IndexRouter.
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MwmHierarchyHandler(std::shared_ptr<NumMwmIds> numMwmIds, CountryParentNameGetterFn countryParentNameGetterFn);
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bool HasCrossBorderPenalty(NumMwmId mwmId1, NumMwmId mwmId2);
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RouteWeight GetCrossBorderPenalty(NumMwmId mwmId1, NumMwmId mwmId2);
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private:
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/// @return Parent country name for \a mwmId.
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std::string GetMwmName(NumMwmId mwmId) const;
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std::string GetParentCountry(NumMwmId mwmId) const;
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std::string const & GetParentCountryCached(NumMwmId mwmId);
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std::shared_ptr<NumMwmIds> m_numMwmIds;
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CountryParentNameGetterFn m_countryParentNameGetterFn;
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using MwmToCountry = std::unordered_map<NumMwmId, std::string>;
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MwmToCountry m_mwmCountriesCache;
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};
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} // namespace routing
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